package com.heima.user.service.impl;

import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.core.toolkit.StringUtils;
import com.baomidou.mybatisplus.core.toolkit.Wrappers;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.heima.model.common.dtos.ResponseResult;
import com.heima.model.common.enums.AppHttpCodeEnum;
import com.heima.model.user.dtos.AuthDto;
import com.heima.model.user.dtos.LoginDto;
import com.heima.model.user.pojos.ApUser;
import com.heima.user.mapper.ApUserMapper;
import com.heima.user.service.ApUserService;
import com.heima.utils.common.AppJwtUtil;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.util.DigestUtils;

import java.util.HashMap;
import java.util.Map;

/**
 * author Link
 *
 * @version 1.0
 * @date 2025/4/2  16:31
 */
@Service
@Transactional
public class ApUserServiceImpl extends ServiceImpl<ApUserMapper, ApUser> implements ApUserService {
    @Override
    public ResponseResult login(LoginDto dto) {
        //1.正常登入，用户名和密码
        if (StringUtils.isNotBlank(dto.getPhone()) && StringUtils.isNotBlank(dto.getPassword())){
            ApUser dbUser = getOne(Wrappers.<ApUser>lambdaQuery().eq(ApUser::getPhone,dto.getPhone()));
            if(dbUser==null){
                return ResponseResult.errorResult(AppHttpCodeEnum.DATA_NOT_EXIST,"用户信息不存在");
            }
            //对比密码
            String salt = dbUser.getSalt();
            String oldPassword = dbUser.getPassword();
            String password = DigestUtils.md5DigestAsHex((dto.getPassword() + salt).getBytes());
            if(!password.equals(oldPassword)){
                return ResponseResult.errorResult(AppHttpCodeEnum.LOGIN_PASSWORD_ERROR);
            }
            //登入成功
            String token = AppJwtUtil.getToken(dbUser.getId().longValue());

            Map<String, Object> map = new HashMap<>();

            map.put("token", token);

            dbUser.setSalt("");
            dbUser.setPassword("");
            map.put("user", dbUser);

            return ResponseResult.okResult(map);
        }else {
            //游客登入
            Map<String, Object> map = new HashMap<>();
            String token = AppJwtUtil.getToken(0L);
            map.put("token", token);
            return ResponseResult.okResult(map);
        }

    }

}
























